JPS4911001A - - Google Patents

Info

Publication number
JPS4911001A
JPS4911001A JP3996973A JP3996973A JPS4911001A JP S4911001 A JPS4911001 A JP S4911001A JP 3996973 A JP3996973 A JP 3996973A JP 3996973 A JP3996973 A JP 3996973A JP S4911001 A JPS4911001 A JP S4911001A
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3996973A
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to US24202672 priority Critical patent/US3803494A/en
Application filed filed Critical
Publication of JPS4911001A publication Critical patent/JPS4911001A/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/183Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0272Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
    • H03J5/0281Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/24Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection, for television channel selection
    • H03J5/242Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection, for television channel selection used exclusively for band selection
    • H03J5/244Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection, for television channel selection used exclusively for band selection using electronic means
JP3996973A 1972-04-07 1973-04-07 Pending JPS4911001A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US24202672 US3803494A (en) 1972-04-07 1972-04-07 Pulse tuning control system for radio receivers

Publications (1)

Publication Number Publication Date
JPS4911001A true JPS4911001A (en) 1974-01-31

Family

ID=22913178

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3996973A Pending JPS4911001A (en) 1972-04-07 1973-04-07

Country Status (5)

Country Link
US (1) US3803494A (en)
JP (1) JPS4911001A (en)
CA (1) CA1007773A (en)
DE (1) DE2313524A1 (en)
GB (1) GB1363048A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5447507A (en) * 1977-09-22 1979-04-14 Clarion Co Ltd Channel selection control circuit for synthesizer receiver

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5421049B2 (en) * 1973-12-28 1979-07-27
US3961261A (en) * 1974-03-14 1976-06-01 Tennelec, Inc. Crystalless scanning radio receiver
US3942121A (en) * 1974-09-09 1976-03-02 Texas Instruments Incorporated Digital tuning method and system
NL169008C (en) * 1974-10-07 1982-05-17 Philips Nv Receiver containing a tuning circuit with a transmitter.
US4027251A (en) * 1975-01-30 1977-05-31 Masco Corporation Of Indiana Radio receiver using frequency synthesizer
US4123715A (en) * 1975-01-30 1978-10-31 Masco Corporation Of Indiana Program apparatus for radio receiver using frequency synthesizer
US4013957A (en) * 1975-04-26 1977-03-22 Kanda Tsushin Kogyo Co., Ltd. Channel-selecting apparatus for a multichannel transceiver
US4117407A (en) * 1975-04-30 1978-09-26 Tokyo Shibaura Electric Co., Ltd. Frequency synthesizer tuner
DE2522055C3 (en) * 1975-05-17 1978-12-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt
JPS5823972B2 (en) * 1975-05-30 1983-05-18 Sanyo Electric Co
US4081752A (en) * 1975-05-30 1978-03-28 Sanyo Electric Co., Ltd. Digital frequency synthesizer receiver
CA1076212A (en) * 1975-05-30 1980-04-22 Sanyo Electric Co. Multiple-band digital frequency synthesizer receiver
JPS5649493B2 (en) * 1975-08-28 1981-11-21
IT1051262B (en) * 1975-11-11 1981-04-21 Indesit Frequency synthesis tuner
IT1073074B (en) * 1975-11-14 1985-04-13 Rca Corp Television frequency synthesizer, for non-standard frequency carriers
US4422096A (en) * 1975-11-14 1983-12-20 Rca Corporation Television frequency synthesizer for nonstandard frequency carriers
US4060768A (en) * 1976-01-02 1977-11-29 Zenith Radio Corporation Memory tuning system with dual speed programming
JPS5946129B2 (en) * 1976-04-05 1984-11-10 Sony Corp
JPS5926131B2 (en) * 1976-06-22 1984-06-25 Sony Corp
US4287599A (en) * 1976-08-02 1981-09-01 Motorola, Inc. Multi-channel communication device with manual and automatic scanning electronic channel selection
US4276654A (en) * 1976-11-12 1981-06-30 Pacific Marine Electronics, Inc. Scan-lock control of solid state digitally synthesized receivers
US4207522A (en) * 1977-04-25 1980-06-10 Housholder Arthur E Programmable frequency scanning radio system
JPS547202A (en) * 1977-06-20 1979-01-19 Pioneer Electronic Corp Electronic tuning receiver
JPS5828968B2 (en) * 1977-08-31 1983-06-20 Sony Corp
US4245349A (en) * 1977-12-29 1981-01-13 Nippon Gakki Seizo Kabushiki Kaisha Automatic frequency scanning radio receiver
JPS6211089Y2 (en) * 1978-01-30 1987-03-16
AU4953979A (en) * 1978-08-16 1980-02-21 Sony Corporation Receiver tuning with frequency synthesizer
JPS6026323B2 (en) * 1978-08-16 1985-06-22 Sony Corp
DE2912710C3 (en) * 1979-03-30 1982-02-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De
US4355412A (en) * 1979-04-10 1982-10-19 Nissan Motor Company, Limited Preset station selecting device in a radio receiver
US4271532A (en) * 1979-11-13 1981-06-02 Rca Corporation Receiver with a channel swapping apparatus
US4285065A (en) * 1980-01-21 1981-08-18 Motorola, Inc. Radio with audio graphic equalizer
US4461026A (en) * 1980-01-21 1984-07-17 Motorola Inc. Radio with audio graphic equalizer
US4404531A (en) * 1980-06-05 1983-09-13 Motorola, Inc. Frequency scanning apparatus wherein a single knob controls both step size and direction of change
JPH0438167B2 (en) * 1984-09-26 1992-06-23 Nippon Electric Co

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5447507A (en) * 1977-09-22 1979-04-14 Clarion Co Ltd Channel selection control circuit for synthesizer receiver
JPS5816765B2 (en) * 1977-09-22 1983-04-02 Kurarion Kk

Also Published As

Publication number Publication date
CA1007773A1 (en)
US3803494A (en) 1974-04-09
GB1363048A (en) 1974-08-14
CA1007773A (en) 1977-03-29
DE2313524A1 (en) 1973-10-18

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